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Two women with a boy wear masks protecting from the thickest blanket of smog covering walk through a street as the heavy smog covered Moscow, Russia, early Friday, Aug. 6, 2010. Temperatures up to 100 degrees Fahrenheit (38 C) have exacerbated forest and peat bog fires across Russia's central and western regions, destroying close to 2,000 homes. (AP Photo/Alexander Zemlianichenko)
/ AP